| MLS # | 948811 |
| Details | 6 bed, 3 bath, 1 half bath, dishwasher, washer, garage, AC, Lot Size: 0.75 acres, Interior: 4147 ft2, 385m2 (DOM): 150 days |
| Construction Year | 2001 |
| Taxes (per year) | $27,522 |
| Fuel Type | Oil |
| Heat type | Radiant (Floor/Wall) |
| Air Conditioning | Central Air |
| Basement | Full basement |
| LIRR | 0.8 miles: "St. James" |
| 2.9 miles: "Smithtown" | |
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21 Astor Ave Is Located In The Heart Of Saint James Within The Desirable Smithtown School District. This Custom Built And Architecturally Appealing 6 Bedroom, 3.5 Bath Colonial Is Only 25 Years Young & Sits On 3/4 Of An Acre. A Charming Open Front Porch Greets You Before You Enter The Large 2 Story Foyer With Grand Staircase & A Motorized Chandelier. A Bright Formal Living Room Awaits Your Guests Before You Sit Down For A Meal In The Formal Dining Room Featuring A Tray Ceiling. Lovely Hardwood Floors Throughout The Home. The Spacious Custom Kitchen With Island Has Plenty Of Room For A Dining Table And Is Open To The Family Room With Wood Burning Fireplace. There Is Also A Large Enclosed Porch For More Entertaining Space That Leads To The Rear Yard. You And Your House Guests Or In-Laws Will Appreciate The Privacy Of The 1st Floor Guest Quarters With Full Bath & Separate Entrance Complete With Mud Room And Drop Off Station Or This Could Easily Double As A Home Office. The 2nd Level Has 5 Bedrooms, A Full Bath, Laundry Room, And A Large Private En-Suite With Gas Fireplace, Walk-In Closet, And Full Bath With Tub And Separate Shower Stall. If The 4,147 Square Feet Of Living Space Wasn't Enough For You, Then Maybe The Full Finished Basement With A Home Pub & Half Bath Will Help! Wait! Theres More!! Attached 2 Car Garage, Inground Pool, & BONUS Fully Equipped Pool House With CAC & Heat! An Incredible Value For This Much House! Gas Line In Street. Projected ARV $2,300,000 Owner Motivated. Let’s Talk!
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. © 2026 Sailing Home Realty of L I LLC. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.







